Retrosplenial region

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Brain: Retrosplenial region
NeuroNames	ancil-111

The retrosplenial region is a brain area and part of the cingular cortex. It is defined by Brodmann area 29 and the Brodmann area 26.

[edit] Function

Retrosplenial cortex has dense reciprocal projections with both the anterior thalamic nuclei and the hippocampus. In humans fMRI studies implicate the posterior cingulate region in the recall of episodic information. The retrosplenial cortex is one of several brain areas that when damaged produce anterograde amnesia.

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v • d • e Brain: telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) Frontal lobe Precentral gyrus (Primary motor cortex, 4) Superior frontal gyrus/Frontal eye fields (6, 8, 9), Middle frontal gyrus (46), Inferior frontal gyrus/Broca's area (44-Pars opercularis, 45-Pars triangularis) Orbitofrontal cortex (10, 11, 12, 47) Prefrontal cortex, Premotor cortex Precentral sulcus - Superior frontal sulcus - Inferior frontal sulcus - Olfactory sulcus Parietal lobe Somatosensory cortex (Primary (1, 2, 3, 43), Secondary (5)), Precuneus (7m) - Parietal operculum Parietal lobules (Superior (7l), Inferior (40)), Angular gyrus (39) Intraparietal sulcus, Marginal sulcus Occipital lobe Primary visual cortex (17), (Cuneus, Lingual gyrus, Lateral occipital gyrus (18, 19)) Calcarine fissure Temporal lobe Primary auditory cortex (41, 42), Superior temporal gyrus (38, 22/Wernicke's area), Middle temporal gyrus (21), Inferior temporal gyrus (20) Fusiform gyrus (37) Medial temporal lobe (Amygdala, Parahippocampal gyrus (27, 28, 34, 35, 36) Cingulate cortex/gyrus Subgenual area (25), Anterior cingulate (24, 32, 33), Posterior cingulate (23, 31), Retrosplenial cortex (26, 29, 30) Callosal sulcus Interlobar sulci/fissures lateral: Central (frontal+parietal), Lateral (frontal+parietal+temporal), Parietoöccipital medial: Medial longitudinal, Cingulate (frontal+cingulate), Collateral (temporal+occipital) White matter tracts Commissural fibers - Association fibers Internal capsule (Anterior limb, Genu, Posterior limb), Corona radiata, External capsule, Lamina terminalis, Extreme capsule, Semioval center Olfactory tract - Terminal stria - Diagonal band of Broca Other Insular cortex gray: Olfactory bulb, Anterior olfactory nucleus, Basal optic nucleus of Meynert, Substantia innominata, Anterior perforated substance Corpus striatum - Limbic lobe Some categorizations are approximations, and some Brodmann areas span gyri.

Categories: Anatomy stubs

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• This page was last modified 05:32, 3 May 2008 by Anonymous user(s) of Wikipedia. Based on work by Wikipedia user(s) Arcadian, DRPVM, GregorB, Alaibot and Marcus wilby73.
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